These 10 innovators are protecting the world’s freshwater
0 seconds of 2 minutes, 40 secondsVolume 90%
Press shift question mark to access a list of keyboard shortcuts
Keyboard Shortcuts
Play/PauseSPACE
Increase Volume↑
Decrease Volume↓
Seek Forward→
Seek Backward←
Captions On/Offc
Fullscreen/Exit Fullscreenf
Mute/Unmutem
Seek %0-9